Gaya APA
Zikmund, William G.. (1991).
Exploring marketing research (Ed. 4).
America:
Dryden.
Gaya Chicago
Zikmund, William G..
Exploring marketing research.
Ed. 4
America:
Dryden,
1991.
Text.
Gaya MLA
Zikmund, William G..
Exploring marketing research.
Ed. 4
America:
Dryden,
1991.
Text.
Gaya Turabian
Zikmund, William G..
Exploring marketing research.
Ed. 4
America:
Dryden,
1991.
Print.